Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/15/2018   00:57:32   (   0.07,-134.67) (  -0.76,-138.18)  401.02                80
 01/16/2018   00:46:02   (   0.06,-134.63) (  -0.08,-135.38)   85.72                80
 01/17/2018   00:31:50   (   0.06,-134.58) (   0.53,-132.57)  229.55                80
 01/19/2018   12:53:08   (  -0.06,-134.46) (   0.70,-137.62)  360.85                80
 01/20/2018   12:41:38   (  -0.05,-134.41) (   0.04,-134.81)   46.02                80
 01/21/2018   12:32:47   (  -0.05,-134.36) (  -0.62,-132.01)  268.64                80
 01/24/2018   00:54:17   (   0.05,-134.21) (  -0.64,-137.10)  330.64                80
 01/25/2018   00:42:47   (   0.05,-134.15) (   0.04,-134.30)   16.80                80
 01/26/2018   00:28:35   (   0.05,-134.09) (   0.67,-131.49)  297.31                80
 01/28/2018   12:49:55   (  -0.04,-133.93) (   0.57,-136.55)  298.63                80